{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948730,-0.316086,0.000000,0.000000,0.176389,-0.529429,0.829814,0.000000,-0.261742,0.785618,0.560621,0.000000,-1671187.716449,5016055.922455,3555523.474265,1],    "boundingVolume": {    "region": [1.892350,0.595024,1.892446,0.595247,0.000000,8.816292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1074689.b3dm"}}}